| Chaudfontaine to Sofia | 996.78 mi (1,604.16 km) |
| Chaudfontaine to Sopot | 1,055.36 mi (1,698.44 km) |
| Chaudfontaine to Sozopol | 1,185.15 mi (1,907.32 km) |
| Chaudfontaine to Sredets | 1,167.31 mi (1,878.61 km) |
| Chaudfontaine to Stamboliyski | 1,069.06 mi (1,720.49 km) |
| Chaudfontaine to Stara Zagora | 1,100.75 mi (1,771.48 km) |
| Chaudfontaine to Svilengrad | 1,151.42 mi (1,853.03 km) |
| Chaudfontaine to Svishtov | 1,040.36 mi (1,674.30 km) |
| Chaudfontaine to Targovishte | 1,105.70 mi (1,779.46 km) |
| Chaudfontaine to Teteven | 1,024.70 mi (1,649.09 km) |
| Chaudfontaine to Troyan | 1,044.19 mi (1,680.47 km) |
| Chaudfontaine to Tryavna | 1,076.60 mi (1,732.62 km) |
| Chaudfontaine to Tutrakan | 1,076.69 mi (1,732.76 km) |
| Chaudfontaine to Varna | 1,162.56 mi (1,870.95 km) |
| Chaudfontaine to Veliki Preslav | 1,118.66 mi (1,800.31 km) |
